URGENT L1B & I94 expired. L1B extn rejected 9/10, H1B COS approved. ???

Hi,

My L1 B & I94 expired on 5/2/2013 and my L1B extension got rejected today (9/10/2013). My H1B with COS approved petition is approved from 1st Oct 2013. can i stay in USA without acquiring illegal status till 10/1/2013. What options are available for me

THanks,

Kumar